Pontiac Grand Prix: Bad Torque Converter → Symptoms + Diagnosis

Your Pontiac Grand Prix’s torque converter is responsible for converting the energy generated by the engine at the flywheel and transferring it to the transmission, creating a bridge between the engine and the transmission.   In the Pontiac Grand Prix, a bad torque converter is often caused by bad transmission fluid, worn clutches, bad seals, … Read more

Pontiac Grand Prix Battery Light: Why It’s On and How to Fix

If your Pontiac Grand Prix’s battery light is on, it is trying to warn you that there is an issue with the charging system. The charging system itself is relatively simple.  The battery light comes on because the voltage level at the battery is too low. Quick Facts Common Causes Faulty Battery, Bad Alternator, Battery … Read more

Pontiac Grand Prix Burning Smell: Causes + How to Fix

A burning smell is one of the most troublesome problems you can experience in a vehicle.  If your Pontiac Grand Prix has a burning smell, there are many potential causes.   Typically, the smell is caused by some type of fluid (oil, trans fluid, etc…) hitting the exhaust or other hot parts of the engine … Read more

Pontiac Grand Prix:  Burning Oil Diagnosis

  The engine burning oil is one of the most common problems that a vehicle can encounter, particularly one with high mileage.  If your Pontiac Grand Prix is burning oil it is typically caused by piston rings or valve guides.     How Much Oil Consumption is Normal? Most auto manufacturers are hesitant to tell … Read more

Pontiac Grand Prix: Backfiring Causes

  One of the more jarring vehicle problems that you can experience is a backfire.  It sounds like a shotgun blast and can scare you if you’re not prepared for it.  If your Pontiac Grand Prix is backfiring, common causes include improper engine timing, bad spark plugs, engine running rich, and plug wires (if so … Read more

Pontiac Grand Prix:  Oil in Coolant Diagnosis

If you’ve recently checked your Pontiac Grand Prix’s coolant, and it looks almost like it has butter in it, then you probably have oil in it.  Oil in your coolant is most often caused by a blown head gasket. It can also be caused by a cracked head or even a bad radiator (well sorta, … Read more

Pontiac Grand Prix:  Overheating → Symptoms + Causes

One of the worst problems that can happen to your Pontiac Grand Prix is overheating.  Common symptoms of overheating include smoke coming from under the hood, a pegged temperature gauge, and (eventually) a blown head gasket. If your Grand Prix is overheating, stop driving it immediately to avoid damaging the engine. Ignoring an overheating engine … Read more

Pontiac Grand Prix: Window Won’t Go Up Diagnosis

Your Pontiac Grand Prix’s windows protect you from the elements, and they protect the interior from damage.  If your window won’t go up, there are a few common issues that can cause this problem.  These include a blown fuse, bad window motor, wiring issues, and the switch.     Power Window Won’t Go Up Causes:  Pontiac … Read more